The British movement derived its philosophical underpinnings from two important sources: first, the designer A. W. N. Pugin (1812–1852), whose early writings promoting the Gothic Revival presaged English apprehension about industrialization, and second, theorist and art critic John Ruskin (1819–1900), who advocated medieval architecture as a model for honest craftsmanship and quality materials. Ruskin's persuasive rhetoric influenced the movement's figurehead (and ardent socialist) William Morris (1834–1896), who believed that industrialization alienated labor and created a dehumanizing distance between the designer and manufacturer. Morris strove to unite all the arts within the decoration of the home, emphasizing nature and simplicity of form.